Home / 11,892.68-17,850.66-9,930.86

Finding the Fourth Proportional to 11,892.68, 17,850.66 and 9,930.86

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Solution

The fourth proportional to 11,892.68, 17,850.66 and 9,930.86 is: 14,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.68 : 17,850.66 = 9,930.86 : x
  2. Step 2: Convert to fraction form
    11,892.68/17,850.66 = 9,930.86/x
  3. Step 3: Cross multiply
    11,892.68x = 17,850.66 × 9,930.86
  4. Step 4: Simplify right side
    11,892.68x = 177,272,405.37
  5. Step 5: Solve for x
    x = 177,272,405.37/11,892.68
  6. Step 6: Final answer
    x = 14,906.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.